diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f722xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f722xx.h
index 095ec93c68..c19278cbb4 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f722xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f722xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f723xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f723xx.h
index 68f8f34c7f..3e3a67669e 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f723xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f723xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f730xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f730xx.h
index a97b5685d2..ed437c8324 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f730xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f730xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f732xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f732xx.h
index 946a5b9a16..408e693d1d 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f732xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f732xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f733xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f733xx.h
index e160c62777..0fa6e37002 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f733xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f733xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f745xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f745xx.h
index 25039936b6..1a53a6ecc9 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f745xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f745xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f746xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f746xx.h
index 3da6583903..9ef24783b3 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f746xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f746xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f750xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f750xx.h
index 4a0cee6020..e866d160bd 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f750xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f750xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f756xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f756xx.h
index 0c889c7179..70e88e0983 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f756xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f756xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f765xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f765xx.h
index 0dd0b24746..c2c0a9955b 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f765xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f765xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f767xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f767xx.h
index e89cc7d19f..02cd114e55 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f767xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f767xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f769xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f769xx.h
index e11eb75b16..1c66731ecd 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f769xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f769xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f777xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f777xx.h
index 4e4b2db115..fde73de836 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f777xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f777xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f779xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f779xx.h
index 2af746576a..27f1ab9bb8 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f779xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f779xx.h
@@ -7,7 +7,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f7xx.h b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f7xx.h
index 5bc217f80c..2974b1b12c 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f7xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f7xx.h
@@ -8,8 +8,8 @@
   *          is using in the C source code, usually in main.c. This file contains:
   *           - Configuration section that allows to select:
   *              - The STM32F7xx device used in the target application
-  *              - To use or not the peripheral’s drivers in application code(i.e.
-  *                code will be based on direct access to peripheral’s registers
+  *              - To use or not the peripheral's drivers in application code(i.e.
+  *                code will be based on direct access to peripheral's registers
   *                rather than drivers API), this option is controlled by
   *                "#define USE_HAL_DRIVER"
   *
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp.c b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp.c
index 6b9424412c..42e52b47cf 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp.c
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp.c
@@ -470,7 +470,7 @@ HAL_StatusTypeDef HAL_CRYP_Init(CRYP_HandleTypeDef *hcryp)
   }
 #endif /* (USE_HAL_CRYP_REGISTER_CALLBACKS) */
 
-  /* Set the key size(This bit field is don’t care in the DES or TDES modes) data type and Algorithm */
+  /* Set the key size(This bit field is don't care in the DES or TDES modes) data type and Algorithm */
 #if defined (CRYP)
 
   MODIFY_REG(hcryp->Instance->CR, CRYP_CR_DATATYPE | CRYP_CR_KEYSIZE | CRYP_CR_ALGOMODE,
@@ -589,7 +589,7 @@ HAL_StatusTypeDef HAL_CRYP_SetConfig(CRYP_HandleTypeDef *hcryp, CRYP_ConfigTypeD
     hcryp->Init.KeyIVConfigSkip = pConf->KeyIVConfigSkip;
     hcryp->Init.HeaderWidthUnit = pConf->HeaderWidthUnit;
 
-    /* Set the key size(This bit field is don’t care in the DES or TDES modes) data type, AlgoMode and operating mode*/
+    /* Set the key size(This bit field is don't care in the DES or TDES modes) data type, AlgoMode and operating mode*/
 #if defined (CRYP)
 
     MODIFY_REG(hcryp->Instance->CR, CRYP_CR_DATATYPE | CRYP_CR_KEYSIZE | CRYP_CR_ALGOMODE,
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp_ex.c b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp_ex.c
index 5bcce35223..da73ad5dd6 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp_ex.c
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_cryp_ex.c
@@ -177,7 +177,7 @@ HAL_StatusTypeDef HAL_CRYPEx_AESGCM_GenerateAuthTAG(CRYP_HandleTypeDef *hcryp, u
     /* Select final phase */
     MODIFY_REG(hcryp->Instance->CR, CRYP_CR_GCM_CCMPH, CRYP_PHASE_FINAL);
 
-    /*ALGODIR bit must be set to ‘0’.*/
+    /*ALGODIR bit must be set to '0'.*/
     hcryp->Instance->CR &=  ~CRYP_CR_ALGODIR;
 
     /* Enable the CRYP peripheral */
@@ -395,7 +395,7 @@ HAL_StatusTypeDef HAL_CRYPEx_AESCCM_GenerateAuthTAG(CRYP_HandleTypeDef *hcryp, u
     /* Disable CRYP to start the final phase */
     __HAL_CRYP_DISABLE(hcryp);
 
-    /* Select final phase & ALGODIR bit must be set to ‘0’. */
+    /* Select final phase & ALGODIR bit must be set to '0'. */
     MODIFY_REG(hcryp->Instance->CR, CRYP_CR_GCM_CCMPH | CRYP_CR_ALGODIR, CRYP_PHASE_FINAL | CRYP_OPERATINGMODE_ENCRYPT);
 
     /* Enable the CRYP peripheral */
diff --git a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_wwdg.c b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_wwdg.c
index 4f3a9855d5..b7b0f6d504 100644
--- a/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_wwdg.c
+++ b/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/STM32F7xx_HAL_Driver/stm32f7xx_hal_wwdg.c
@@ -40,7 +40,7 @@
         (++) max time (mS) = 1000 * (Counter - 0x40) / WWDG clock
     (+) Typical values:
         (++) Counter min (T[5;0] = 0x00) at 54MHz (PCLK1) with zero prescaler:
-             max timeout before reset: approximately 75.85µs
+             max timeout before reset: approximately 75.85us
         (++) Counter max (T[5;0] = 0x3F) at 54MHz (PCLK1) with prescaler
              dividing by 8:
              max timeout before reset: approximately 38.83ms